-
million years ago.
Ichthyornis is a
common component of the
Niobrara Formation fauna, and
numerous specimens have been found.
Ichthyornis has been historically...
-
group that
includes modern birds and
their very
close relatives such as
Ichthyornis and the hesperornithines. This
clade is
defined in the
PhyloCode by Juan...
- to the group's namesake,
Ichthyornis. However,
these seem to have been more
closely related to
modern birds than to
Ichthyornis dispar. In
Julia Clarke's...
- Confuciusornis, a
genus of crow-sized
birds from the
Early Cretaceous Ichthyornis was a toothed, seabird-like
ornithuran from the Late
Cretaceous Rhynchocephalians...
-
steering rather than flight; and the tern-like
Ichthyornis, an
early avian with a
toothy beak.
Ichthyornis shared the sky with
large pterosaurs such as...
-
Hesperornis than to Baptornis.
Hesperornitheans were
originally combined with
Ichthyornis in the
paraphyletic group "Odontornithes" by
Othniel Charles Marsh, in...
- as
lobed toes for this group. Like many
other Mesozoic birds such as
Ichthyornis,
Hesperornis had
teeth as well as a beak. In the
hesperornithiform lineage...
- It is
known from
several aquatic amniotes: ichthyosaurs, Hesperornis,
Ichthyornis,
juvenile caimans, some
cetaceans and even some
ctenochasmatoid pterosaurs...
- However, a neognath-like
palate is also
present in
ornithuran birds like
Ichthyornis.
Neognathae was long
ranked as a
superorder subdivided into orders. Attempts...
- and
diving species. The
latter included the
superficially gull-like
Ichthyornis and the Hesperornithiformes,
which became so well
adapted to hunting...
